mirror of
https://github.com/trezor/trezor-firmware.git
synced 2025-07-06 23:02:33 +00:00
53 lines
986 B
Python
53 lines
986 B
Python
import sys
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import ustruct
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# mock implementation using binary file
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_mock = {}
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if sys.platform in ['trezor', 'pyboard']: # stmhal
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_file = '/flash/trezor.config'
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else:
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_file = '/var/tmp/trezor.config'
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def _load():
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global _mock
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try:
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with open(_file, 'rb') as f:
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while True:
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d = f.read(4)
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if len(d) != 4:
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break
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k, l = ustruct.unpack('<HH', d)
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v = f.read(l)
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_mock[k] = v
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except OSError:
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pass
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def _save():
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global _mock
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with open(_file, 'wb') as f:
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for k, v in _mock.items():
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f.write(ustruct.pack('<HH', k, len(v)))
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f.write(v)
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_load()
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def get(app_id, key, default=None):
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global _mock
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return _mock.get((app_id << 8) | key, default)
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def set(app_id, key, value):
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global _mock
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_mock[(app_id << 8) | key] = value
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_save()
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def wipe():
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global _mock
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_mock = {}
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_save()
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